8765840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 80

約数和(自身を含む): 22022400

約数和(自身を除く): 13256560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 79, 80, 95, 146, 152, 158, 190, 292, 304, 316, 365, 380, 395, 584, 632, 730, 760, 790, 1168, 1264, 1387, 1460, 1501, 1520, 1580, 2774, 2920, 3002, 3160, 5548, 5767, 5840, 6004, 6320, 6935, 7505, 11096, 11534, 12008, 13870, 15010, 22192, 23068, 24016, 27740, 28835, 30020, 46136, 55480, 57670, 60040, 92272, 109573, 110960, 115340, 120080, 219146, 230680, 438292, 461360, 547865, 876584, 1095730, 1753168, 2191460, 4382920, 8765840]

約数ペア:

[(1, 8765840), (2, 4382920), (4, 2191460), (5, 1753168), (8, 1095730), (10, 876584), (16, 547865), (19, 461360), (20, 438292), (38, 230680), (40, 219146), (73, 120080), (76, 115340), (79, 110960), (80, 109573), (95, 92272), (146, 60040), (152, 57670), (158, 55480), (190, 46136), (292, 30020), (304, 28835), (316, 27740), (365, 24016), (380, 23068), (395, 22192), (584, 15010), (632, 13870), (730, 12008), (760, 11534), (790, 11096), (1168, 7505), (1264, 6935), (1387, 6320), (1460, 6004), (1501, 5840), (1520, 5767), (1580, 5548), (2774, 3160), (2920, 3002)]